Added fileExtension option for language resource files.

Closes #16

Author: coderifous

build/jquery.localize.js

@@ -20,23 +20,24 @@ $.defaultLanguage = normaliseLang(navigator.language || navigator.userLanguage)
 $.localize = (pkg, options = {}) ->
   wrappedSet = this
   intermediateLangData = {}
+  fileExtension = options.fileExtension || "json"
 
   loadLanguage = (pkg, lang, level = 1) ->
     switch level
       when 1
         intermediateLangData = {}
         if options.loadBase
-          file = pkg + '.json'
+          file = pkg + ".#{fileExtension}"
           jsonCall(file, pkg, lang, level)
         else
           loadLanguage(pkg, lang, 2)
       when 2
         if lang.length >= 2
-          file = "#{pkg}-#{lang.substring(0, 2)}.json"
+          file = "#{pkg}-#{lang.substring(0, 2)}.#{fileExtension}"
           jsonCall(file, pkg, lang, level)
       when 3
         if lang.length >= 5
-          file = "#{pkg}-#{lang.substring(0, 5)}.json"
+          file = "#{pkg}-#{lang.substring(0, 5)}.#{fileExtension}"
           jsonCall(file, pkg, lang, level)
 
   jsonCall = (file, pkg, lang, level) ->

src/jquery.localize.coffee

@@ -0,0 +1,4 @@
+{
+  "basic": "basic success foo"
+}
+

test/lang/test-ja.foo

@@ -45,6 +45,11 @@ test "chained call", ->
   t.localize("test", @testOpts).localize("test", @testOpts)
   equals t.text(), "basic success"
 
+test "alternative file extension", ->
+  t = localizableTag("p", "basic", text: "basic fail")
+  t.localize("test", $.extend({ fileExtension: "foo" }, @testOpts))
+  equals t.text(), "basic success foo"
+
 moreSetup ->
   @t = $('
     <select>